Independent Practice 3.18

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• A

• B

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• F

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• J

The number of hours Diego read last week contains a value of (6 x 0.1). Which number, in standard form, represents the number of hours Diego read last week?

• 2.46 hours

• 6.03 hours

• 1.65 hours

• 61.32 hours

Which of the following is true?

• 1.72 rounded to the nearest tenth is 1.7
• 2.62 rounded to the nearest tenth is 2.7
• 3.41 rounded to the nearest whole number is 4
• 10.231 rounded to the nearest hundredth is 10.22

Which list has only prime numbers?

• 2, 3, 4, 5
• 1, 5, 7, 9
• 2, 3, 5, 7
• 2, 4, 6, 8

Four students each made a list of prime numbers.
Eric:   5, 7 17, 23
Maya:  3, 5, 13, 17
Bella:  2, 3, 17, 19
Joan:  7, 11, 13, 21
Who made an error and included a composite number?

• Eric
• Maya
• Bella
• Joan

An expression is shown.

175 – [(55 – 15) ÷ 5 + 3]3

Describe the operations that are included within the parentheses and brackets of the expression and in which order they should be completed to simplify the expression.

• Subtraction, addition, and division

  First add, then divide, then subtract

• Subtraction, addition, and division

  First subtract, then divide, then add

• Mulitplication, addition, subtraction, division

  First multiply, then divide, then add

• Mulitplication, division, addition, subtraction

  First subtract, then divide, then add

An expression is shown.

3 + [5 + (36 ÷ 4 • 2) –  2]4 – 2 

Which statement describes a possible first step to simplify the expression?

• Add 5 and 36

• Mulitply 4 and 2

• Divide 36 by 4

• Add 3 and 5